Varactor characteristics, oscillator tuning curves, and AM-FM co0nversion
Hegazi, Emad; Abidi, Asad A.;
Abstract
A simple analysis relates the small-signal specification of a varactor's capacitance to an oscillator's tuning curve. The notion of an effective capacitance across the amplitude of oscillation is introduced. The analysis also explains how the varactor converts AM noise on the oscillation into FM, which is phase noise. The analysis is experimentally validated.
Other data
| Title | Varactor characteristics, oscillator tuning curves, and AM-FM co0nversion | Authors | Hegazi, Emad ; Abidi, Asad A. | Keywords | AM-FM conversion | Differential LC oscillator | Oscillator | Phase noise | Tuning curve | Varactor | Voltage-controlled oscillator (VCO) sensitivity | Issue Date | 1-Jun-2003 | Publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | Journal | IEEE Journal of Solid-State Circuits | ISSN | 00189200 | DOI | 10.1109/JSSC.2003.811968 | Scopus ID | 2-s2.0-0037832516 | Web of science ID | WOS:000183267800021 |
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